/*
 * Copyright The OpenTelemetry Authors
 * SPDX-License-Identifier: Apache-2.0
 */

// Includes work from:
/*
 * Copyright 2019 LINE Corporation
 *
 * LINE Corporation licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package io.opentelemetry.sdk.internal;

import java.time.Clock;
import java.time.Instant;
import java.util.concurrent.TimeUnit;

/** Implementation of {@link JavaVersionSpecific} using Java 9 APIs. */
class Java9VersionSpecific extends JavaVersionSpecific {

  @Override
  String name() {
    return "Java 9+";
  }

  @Override
  public long currentTimeNanos() {
    final Instant now = Clock.systemUTC().instant();
    return TimeUnit.SECONDS.toNanos(now.getEpochSecond()) + now.getNano();
  }
}
